gnu: Add rust-servo-fontconfig-0.4.

* gnu/packages/crates-io.scm (rust-servo-fontconfig-0.4):
New variable.

Signed-off-by: Efraim Flashner <efraim@flashner.co.il>

gnu/packages/crates-io.scm

@@ -13874,6 +13874,33 @@ for the serde framework.")
      "This package provides a Rust wrapper around the FreeType library.")
     (license license:mpl2.0)))  ; build.rs is mpl2.0
 
+(define-public rust-servo-fontconfig-0.4
+  (package
+    (name "rust-servo-fontconfig")
+    (version "0.4.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "servo-fontconfig" version))
+       (file-name
+        (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1nach6s4hdf86jz5hlm4p5r7vin91cs7gg89mr533id5fpbzi250"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-libc" ,rust-libc-0.2)
+        ("rust-servo-fontconfig-sys" ,rust-servo-fontconfig-sys-4))))
+    (native-inputs
+     `(("pkg-config" ,pkg-config)))
+    (inputs
+     `(("fontconfig" ,fontconfig)))
+    (home-page "https://github.com/servo/rust-fontconfig/")
+    (synopsis "Rust bindings for fontconfig")
+    (description "This package provides Rust bindings for fontconfig.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-servo-fontconfig-sys-4
   (package
     (name "rust-servo-fontconfig-sys")